| All Patents in class 474/6 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 68,061 | Aug. 27, 1867 | A.M. Freeland | Improvement in belt-shifting device | metal planers |
| 385,713 | Jul. 10, 1888 | R.H. Hurlbut | Belt-shipper | industrial machine pulleys and belt drive mechanisms |
| 439,080 | Oct. 21, 1890 | F.B. Miles | Mechanism for Operating Clutching and Belt Shifting Devices | industrial machine speed and direction changing mechanisms |
| 584,495 | Jun. 15, 1897 | W.W. Doolittle | Planing-machine mechanism | metal planers |
| 928,045 | Jul. 13, 1909 | F. Hardinge | Controlling mechanism for lathe structures or the like | metal lathes |
| 973,801 | Oct. 25, 1910 | G. Langen, C. Meier | Belt-Gearing | metalworking machine gearing |
| 990,421 | Apr. 25, 1911 | G.H. Benzon, Jr. | Belt Driving Mechanism for Reciprocating Parts of Machines | metal planers |
| 1,544,455 | Jun. 30, 1925 | H.W. Hunt | Power-transmitting device | industrial machine pulleys and belt drive mechanisms |
